Friday Harbor Airport Weather Forecast

    • 51
    • 72

    Mostly Sunny

    • 50
    • 76

    Partly Sunny

    • 52
    • 73

    Mostly Cloudy

    • 49
    • 73

    Partly Sunny

    • 50
    • 68

    Mostly Sunny

    • 50
    • 70

    Partly Sunny

    • 50
    • 68

    Partly Sunny

Today 5 Jul San Juan County

Sunny. Highs in the upper 60s to mid 70s. Northwest wind to 10 Mph.

Tonight 5 Jul San Juan County

Mostly clear. Lows in the 50s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Friday Harbor Airport Temperature Statistics

July Temperature

Friday Harbor Airport (0 miles)

  • Lowest 2 July, 2026

    50 °F

  • Average July

    56.7 °F

  • Highest 3 July, 2026

    66.9 °F

Climate (2021–2026)

Friday Harbor Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.7 °F
Get WillyWeather+ to remove ads